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15717 (1990 BL1)
Classification: Main-belt Asteroid          SPK-ID: 2015717
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .159346794089709 1.6448e-08  
a 2.618742077910381 8.9981e-09 au
q 2.201453923247539 4.179e-08 au
i 12.9234290818606 6.8813e-07 deg
node 177.1211369901438 2.1377e-06 deg
peri 258.517050165779 7.4481e-06 deg
M 136.8345357338858 6.4533e-06 deg
tp 2458612.156799218057
(2019-May-08.65679922)		 2.6833e-05 TDB
period 1547.880812000653
4.24		 7.9778e-06
2.184e-08		 d
yr
n .2325760466884372 1.1987e-09 deg/d
Q 3.036030232573224 1.0432e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2316  
   data-arc span      13764 days (37.68 yr)  
   first obs. used      1983-07-09  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4491  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:06:50  

Additional Information
 Earth MOID = 1.25734 au 
 Jupiter MOID = 2.35836 au 
 T_jup = 3.352 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.51   n/a E2021B10  
diameter diameter 7.012 km 0.275 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.172   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

15717 (1990 BL1)          Discovered 1990-Jan-21 by Helin, E. F. at Palomar
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1933-Oct-27 06:35 < 00:01 Amphi 0.0129773606744386 0.0129701326232399 0.0129845976400699 6.6229989190402 6.6229988521547 2427372.774232514 0.927759304518684 647.918239011307 31.5071677199473 56.2848089746144 51267.8108621504 T 32 CATAB v2.0f-lin.ifort 2021-Apr-13 01:07:33 2021-Apr-13 01:07

Alternate Designations
 1990 BL1 = 1999 FW9 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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